Tube Real Time Clock

Results: 279
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model RTC Bus Interface Date Format Time Format RTC Memory Size Package / Case Battery Backup Switching Supply Voltage - Min Supply Voltage - Max Minimum Operating Temperature Maximum Operating Temperature Series Mounting Style Qualification Packaging
STMicroelectronics Real Time Clock 64K (8Kx8) 100ns 184In Stock
1,200Expected 9/28/2026
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 8 kB PCDIP-28 Integrated Battery 4.5 V 5.5 V 0 C + 70 C M48T18 Through Hole Tube
STMicroelectronics Real Time Clock 256K (32Kx8) 70ns 294In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 32 kB PCDIP-28 Integrated Battery 4.75 V 5.5 V 0 C + 70 C M48T35 Through Hole Tube
STMicroelectronics Real Time Clock 256K (32Kx8) 70ns 123In Stock
480Expected 9/22/2026
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 32 kB PCDIP-28 Integrated Battery 4.5 V 5.5 V 0 C + 70 C M48T35Y Through Hole Tube
STMicroelectronics Real Time Clock 64K (8Kx8) 70ns 200In Stock
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 8 kB PCDIP-28 Integrated Battery 4.75 V 5.5 V 0 C + 70 C M48T58 Through Hole Tube
STMicroelectronics Real Time Clock 64K (8Kx8) 70ns 219In Stock
240Expected 9/14/2026
Min.: 1
Mult.: 1

Parallel YY-MM-DD-dd HH:MM:SS (24 hr) 8 kB PCDIP-28 Integrated Battery 4.5 V 5.5 V 0 C + 70 C M48T58Y Through Hole Tube
Microchip Technology Real Time Clock I2C GP RTCC 1Kb EE 64B SRAM EUI-48 12,291In Stock
Min.: 1
Mult.: 1

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 64 B SOIC-8 Backup Switching 1.8 V 5.5 V - 40 C + 85 C SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock 256k NV SRAM with Phantom Clock 135In Stock
Min.: 1
Mult.: 1
Max.: 12

Parallel YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 32 kB EDIP-28 Integrated Battery 4.5 V 5.5 V 0 C + 70 C DS1244Y Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock 1024k NV SRAM with Phantom Clock 149In Stock
Min.: 1
Mult.: 1
Max.: 20

Parallel YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 128 kB EDIP-32 Integrated Battery 4.5 V 5.5 V 0 C + 70 C DS1248Y Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock Real-Time Clocks 413In Stock
Min.: 1
Mult.: 1
Max.: 413

Multiplexed YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 114 B EDIP-24 Integrated Battery 4.5 V 5.5 V 0 C + 70 C DS12887A Through Hole Tube

Analog Devices / Maxim Integrated Real Time Clock Trickle-Charge Timekeeping Chip 746In Stock
Min.: 1
Mult.: 1
Max.: 746

Serial 3-Wire YY-MM-DD-dd HH:MM:SS (24 hr) 31 B PDIP-8 Backup Switching 2 V 5.5 V 0 C + 70 C DS1302 Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock Trickle-Charge Timekeeping Chip 564In Stock
Min.: 1
Mult.: 1
Max.: 564

Serial 3-Wire YY-MM-DD-dd HH:MM:SS (24 hr) 31 B SOIC-8 Backup Switching 2 V 5.5 V - 40 C + 85 C DS1302SN SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock Trickle-Charge Timekeeping Chip 2,309In Stock
Min.: 1
Mult.: 1
Max.: 2,309

Serial 3-Wire YY-MM-DD-dd HH:MM:SS (24 hr) 31 B SOIC-8 Backup Switching 2 V 5.5 V - 40 C + 85 C DS1302Z SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock Trickle-Charge Timekeeping Chip 1,199In Stock
Min.: 1
Mult.: 1
Max.: 1,199

Serial 3-Wire YY-MM-DD-dd HH:MM:SS (24 hr) 31 B SOIC-8 Backup Switching 2 V 5.5 V - 40 C + 85 C DS1302ZN SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Serial Alarm Real-Time Clock 1,067In Stock
Min.: 1
Mult.: 1
Max.: 1,067

Serial 3-Wire, SPI YY-MM-DD HH:MM:SS (24 hr) 96 B DIP-16 Backup Switching 2 V 5.5 V - 40 C + 85 C DS1305N Through Hole Tube

Analog Devices / Maxim Integrated Real Time Clock Serial Alarm Real-Time Clock 1,208In Stock
1,184Expected 8/27/2026
Min.: 1
Mult.: 1
Max.: 2,392

Serial 3-Wire, SPI YY-MM-DD HH:MM:SS (24 hr) 96 B TSSOP-20 Backup Switching 2 V 5.5 V 0 C + 70 C DS1306E SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock Serial Alarm Real-Time Clock 1,026In Stock
Min.: 1
Mult.: 1
Max.: 1,026

Serial 3-Wire, SPI YY-MM-DD HH:MM:SS (24 hr) 96 B TSSOP-20 Backup Switching 2 V 5.5 V - 40 C + 85 C DS1306EN SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock 64 x 8, Serial, I C Real-Time Clock 1,126In Stock
Min.: 1
Mult.: 1
Max.: 1,126

I2C YY-MM-DD HH:MM:SS:hh (12 hr, 24 hr) 56 B PDIP-8 Backup Switching 4.5 V 5.5 V 0 C + 70 C DS1307 Through Hole Tube
Analog Devices / Maxim Integrated Real Time Clock 64 x 8, Serial, I C Real-Time Clock 912In Stock
Min.: 1
Mult.: 1
Max.: 912

I2C YY-MM-DD HH:MM:SS:hh (12 hr, 24 hr) 56 B SOIC-8 Backup Switching 4.5 V 5.5 V - 40 C + 85 C DS1307ZN SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock I C Serial Real-Time Clock 1,262In Stock
Min.: 1
Mult.: 1
Max.: 1,262

I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) SO-8 No Backup Switching 1.8 V 5.5 V - 40 C + 85 C DS1337S SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock I C RTC with 56-Byte NV RAM 1,026In Stock
Min.: 1
Mult.: 1
Max.: 1,026

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 56 B SO-16 Backup Switching 3 V 5.5 V - 40 C + 85 C DS1338C SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock I C RTC with 56-Byte NV RAM 3,000In Stock
Min.: 1
Mult.: 1
Max.: 3,000

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) 56 B SOIC-8 Backup Switching 1.71 V 5.5 V - 40 C + 85 C DS1338Z SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock I C Serial Real-Time Clock 1,572In Stock
Min.: 1
Mult.: 1
Max.: 1,572

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS:hh (12 hr, 24 hr) uSOP-8 Backup Switching 2.97 V 5.5 V - 40 C + 85 C DS1339U SMD/SMT Tube

Analog Devices / Maxim Integrated Real Time Clock I C RTC with Trickle Charger 330In Stock
Min.: 1
Mult.: 1
Max.: 330

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) SO-16 Backup Switching 2.97 V 5.5 V - 40 C + 85 C DS1340C SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock I C RTC with Trickle Charger 1,187In Stock
Min.: 1
Mult.: 1
Max.: 1,187

Serial 2-Wire, I2C YY-MM-DD-dd HH:MM:SS (24 hr) SO-8 Backup Switching 2.7 V 3.3 V - 40 C + 85 C DS1340Z SMD/SMT Tube
Analog Devices / Maxim Integrated Real Time Clock I C RTC with Trickle Charger 2,389In Stock
Min.: 1
Mult.: 1
Max.: 2,409

I2C YY-MM-DD-dd HH:MM:SS (24 hr) SO-8 Backup Switching 2.97 V 5.5 V - 40 C + 85 C DS1340Z SMD/SMT Tube